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puteri [66]
1 year ago
14

(a) Write an expression for a number that is three more than r. .

Mathematics
1 answer:
navik [9.2K]1 year ago
7 0

Answer:

r+3

Step-by-step explanation:

r is an expression. To get an expression that is 3 more, just add 3

r+3

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Which of the following solves the equation t/8 =<br> 2​
JulsSmile [24]

Answer:

I don't know what the options are, but to solve t/8 = 2, you have to multiply by 8.

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6 0
3 years ago
A die is rolled 20 times. given that three of the rolls came up 1, five came up 2, four came up 3, two came up 4, three came up
Serjik [45]

Solution:

Number of times a die is rolled = 20

1 - 3=A

2 - 5=B

3 - 4=C

4 - 2=D

5 - 3=E

6 -  3=F

Total number of arrangements of outcomes , when a dice is rolled 20 times given that 1 appear 3 times, 2 appears 5 times, 3 appear 4 times, 4 appear 2 times , 5 appear three times, and 6 appear 3 times

            = Arrangement of 6 numbers (A,B,C,D,E,F) in 6! ways and then arranging outcomes

= 6! × [ 3! × 5! × 4!×2!×3!×3!]

= 720 × 6×120×24×72→→[Keep in Mind →n!= n (n-1)(n-2)(n-3)........1]

= 895795200  Ways

8 0
3 years ago
3/8 of {38/5-1/3{5/4+10/3}×12/5
boyakko [2]

Answer:

1863/275=6.7745recurring

Step-by-step explanation:

Dont u have a calculator

8 0
3 years ago
Let x be the price of a new car. Let n be the number of people willing to buy the car at price x. As the price of the car goes f
Ostrovityanka [42]

As the price of the car increases, the number of people
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The line in the first graph ' A ' is doing that.

4 0
3 years ago
Fill in the blank to make this expression a perfect square x^2 +<br> 2x + blank
Inessa05 [86]

Answer:

x^2+2x+1

Step-by-step explanation:

7 0
2 years ago
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